- Written by Prakrati Vidyarthi
- Posted on August 16, 2018
- Updated on September 8, 2023
- 8854 Views
Normally, a switch traps L2 protocol frames to the CPU. However, certain use-cases may require these frames to be forwarded or dropped. And in cases where the L2 protocol frames are forwarded (eg: Pseudowire), we may require the frames to be trapped to the CPU or dropped.